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-rw-r--r--tk8.6/generic/tkCmds.c2163
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diff --git a/tk8.6/generic/tkCmds.c b/tk8.6/generic/tkCmds.c
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+++ b/tk8.6/generic/tkCmds.c
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+/*
+ * tkCmds.c --
+ *
+ * This file contains a collection of Tk-related Tcl commands that didn't
+ * fit in any particular file of the toolkit.
+ *
+ * Copyright (c) 1990-1994 The Regents of the University of California.
+ * Copyright (c) 1994-1997 Sun Microsystems, Inc.
+ * Copyright (c) 2000 Scriptics Corporation.
+ *
+ * See the file "license.terms" for information on usage and redistribution of
+ * this file, and for a DISCLAIMER OF ALL WARRANTIES.
+ */
+
+#include "tkInt.h"
+
+#if defined(_WIN32)
+#include "tkWinInt.h"
+#elif defined(MAC_OSX_TK)
+#include "tkMacOSXInt.h"
+#else
+#include "tkUnixInt.h"
+#endif
+
+/*
+ * Forward declarations for functions defined later in this file:
+ */
+
+static TkWindow * GetTopHierarchy(Tk_Window tkwin);
+static char * WaitVariableProc(ClientData clientData,
+ Tcl_Interp *interp, const char *name1,
+ const char *name2, int flags);
+static void WaitVisibilityProc(ClientData clientData,
+ XEvent *eventPtr);
+static void WaitWindowProc(ClientData clientData,
+ XEvent *eventPtr);
+static int AppnameCmd(ClientData dummy, Tcl_Interp *interp,
+ int objc, Tcl_Obj *const *objv);
+static int CaretCmd(ClientData dummy, Tcl_Interp *interp,
+ int objc, Tcl_Obj *const *objv);
+static int InactiveCmd(ClientData dummy, Tcl_Interp *interp,
+ int objc, Tcl_Obj *const *objv);
+static int ScalingCmd(ClientData dummy, Tcl_Interp *interp,
+ int objc, Tcl_Obj *const *objv);
+static int UseinputmethodsCmd(ClientData dummy,
+ Tcl_Interp *interp, int objc,
+ Tcl_Obj *const *objv);
+static int WindowingsystemCmd(ClientData dummy,
+ Tcl_Interp *interp, int objc,
+ Tcl_Obj *const *objv);
+
+#if defined(_WIN32) || defined(MAC_OSX_TK)
+MODULE_SCOPE const TkEnsemble tkFontchooserEnsemble[];
+#else
+#define tkFontchooserEnsemble NULL
+#endif
+
+/*
+ * Table of tk subcommand names and implementations.
+ */
+
+static const TkEnsemble tkCmdMap[] = {
+ {"appname", AppnameCmd, NULL },
+ {"busy", Tk_BusyObjCmd, NULL },
+ {"caret", CaretCmd, NULL },
+ {"inactive", InactiveCmd, NULL },
+ {"scaling", ScalingCmd, NULL },
+ {"useinputmethods", UseinputmethodsCmd, NULL },
+ {"windowingsystem", WindowingsystemCmd, NULL },
+ {"fontchooser", NULL, tkFontchooserEnsemble},
+ {NULL, NULL, NULL}
+};
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tk_BellObjCmd --
+ *
+ * This function is invoked to process the "bell" Tcl command. See the
+ * user documentation for details on what it does.
+ *
+ * Results:
+ * A standard Tcl result.
+ *
+ * Side effects:
+ * See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int
+Tk_BellObjCmd(
+ ClientData clientData, /* Main window associated with interpreter. */
+ Tcl_Interp *interp, /* Current interpreter. */
+ int objc, /* Number of arguments. */
+ Tcl_Obj *const objv[]) /* Argument objects. */
+{
+ static const char *const bellOptions[] = {
+ "-displayof", "-nice", NULL
+ };
+ enum options { TK_BELL_DISPLAYOF, TK_BELL_NICE };
+ Tk_Window tkwin = clientData;
+ int i, index, nice = 0;
+
+ if (objc > 4) {
+ wrongArgs:
+ Tcl_WrongNumArgs(interp, 1, objv, "?-displayof window? ?-nice?");
+ return TCL_ERROR;
+ }
+
+ for (i = 1; i < objc; i++) {
+ if (Tcl_GetIndexFromObjStruct(interp, objv[i], bellOptions,
+ sizeof(char *), "option", 0, &index) != TCL_OK) {
+ return TCL_ERROR;
+ }
+ switch ((enum options) index) {
+ case TK_BELL_DISPLAYOF:
+ if (++i >= objc) {
+ goto wrongArgs;
+ }
+ tkwin = Tk_NameToWindow(interp, Tcl_GetString(objv[i]), tkwin);
+ if (tkwin == NULL) {
+ return TCL_ERROR;
+ }
+ break;
+ case TK_BELL_NICE:
+ nice = 1;
+ break;
+ }
+ }
+ XBell(Tk_Display(tkwin), 0);
+ if (!nice) {
+ XForceScreenSaver(Tk_Display(tkwin), ScreenSaverReset);
+ }
+ XFlush(Tk_Display(tkwin));
+ return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tk_BindObjCmd --
+ *
+ * This function is invoked to process the "bind" Tcl command. See the
+ * user documentation for details on what it does.
+ *
+ * Results:
+ * A standard Tcl result.
+ *
+ * Side effects:
+ * See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int
+Tk_BindObjCmd(
+ ClientData clientData, /* Main window associated with interpreter. */
+ Tcl_Interp *interp, /* Current interpreter. */
+ int objc, /* Number of arguments. */
+ Tcl_Obj *const objv[]) /* Argument objects. */
+{
+ Tk_Window tkwin = clientData;
+ TkWindow *winPtr;
+ ClientData object;
+ const char *string;
+
+ if ((objc < 2) || (objc > 4)) {
+ Tcl_WrongNumArgs(interp, 1, objv, "window ?pattern? ?command?");
+ return TCL_ERROR;
+ }
+ string = Tcl_GetString(objv[1]);
+
+ /*
+ * Bind tags either a window name or a tag name for the first argument.
+ * If the argument starts with ".", assume it is a window; otherwise, it
+ * is a tag.
+ */
+
+ if (string[0] == '.') {
+ winPtr = (TkWindow *) Tk_NameToWindow(interp, string, tkwin);
+ if (winPtr == NULL) {
+ return TCL_ERROR;
+ }
+ object = (ClientData) winPtr->pathName;
+ } else {
+ winPtr = clientData;
+ object = (ClientData) Tk_GetUid(string);
+ }
+
+ /*
+ * If there are four arguments, the command is modifying a binding. If
+ * there are three arguments, the command is querying a binding. If there
+ * are only two arguments, the command is querying all the bindings for
+ * the given tag/window.
+ */
+
+ if (objc == 4) {
+ int append = 0;
+ unsigned long mask;
+ const char *sequence = Tcl_GetString(objv[2]);
+ const char *script = Tcl_GetString(objv[3]);
+
+ /*
+ * If the script is null, just delete the binding.
+ */
+
+ if (script[0] == 0) {
+ return Tk_DeleteBinding(interp, winPtr->mainPtr->bindingTable,
+ object, sequence);
+ }
+
+ /*
+ * If the script begins with "+", append this script to the existing
+ * binding.
+ */
+
+ if (script[0] == '+') {
+ script++;
+ append = 1;
+ }
+ mask = Tk_CreateBinding(interp, winPtr->mainPtr->bindingTable,
+ object, sequence, script, append);
+ if (mask == 0) {
+ return TCL_ERROR;
+ }
+ } else if (objc == 3) {
+ const char *command;
+
+ command = Tk_GetBinding(interp, winPtr->mainPtr->bindingTable,
+ object, Tcl_GetString(objv[2]));
+ if (command == NULL) {
+ Tcl_ResetResult(interp);
+ return TCL_OK;
+ }
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(command, -1));
+ } else {
+ Tk_GetAllBindings(interp, winPtr->mainPtr->bindingTable, object);
+ }
+ return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkBindEventProc --
+ *
+ * This function is invoked by Tk_HandleEvent for each event; it causes
+ * any appropriate bindings for that event to be invoked.
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * Depends on what bindings have been established with the "bind"
+ * command.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkBindEventProc(
+ TkWindow *winPtr, /* Pointer to info about window. */
+ XEvent *eventPtr) /* Information about event. */
+{
+#define MAX_OBJS 20
+ ClientData objects[MAX_OBJS], *objPtr;
+ TkWindow *topLevPtr;
+ int i, count;
+ const char *p;
+ Tcl_HashEntry *hPtr;
+
+ if ((winPtr->mainPtr == NULL) || (winPtr->mainPtr->bindingTable == NULL)) {
+ return;
+ }
+
+ objPtr = objects;
+ if (winPtr->numTags != 0) {
+ /*
+ * Make a copy of the tags for the window, replacing window names with
+ * pointers to the pathName from the appropriate window.
+ */
+
+ if (winPtr->numTags > MAX_OBJS) {
+ objPtr = ckalloc(winPtr->numTags * sizeof(ClientData));
+ }
+ for (i = 0; i < winPtr->numTags; i++) {
+ p = winPtr->tagPtr[i];
+ if (*p == '.') {
+ hPtr = Tcl_FindHashEntry(&winPtr->mainPtr->nameTable, p);
+ if (hPtr != NULL) {
+ p = ((TkWindow *) Tcl_GetHashValue(hPtr))->pathName;
+ } else {
+ p = NULL;
+ }
+ }
+ objPtr[i] = (ClientData) p;
+ }
+ count = winPtr->numTags;
+ } else {
+ objPtr[0] = (ClientData) winPtr->pathName;
+ objPtr[1] = (ClientData) winPtr->classUid;
+ for (topLevPtr = winPtr;
+ (topLevPtr != NULL) && !(topLevPtr->flags & TK_TOP_HIERARCHY);
+ topLevPtr = topLevPtr->parentPtr) {
+ /* Empty loop body. */
+ }
+ if ((winPtr != topLevPtr) && (topLevPtr != NULL)) {
+ count = 4;
+ objPtr[2] = (ClientData) topLevPtr->pathName;
+ } else {
+ count = 3;
+ }
+ objPtr[count-1] = (ClientData) Tk_GetUid("all");
+ }
+ Tk_BindEvent(winPtr->mainPtr->bindingTable, eventPtr, (Tk_Window) winPtr,
+ count, objPtr);
+ if (objPtr != objects) {
+ ckfree(objPtr);
+ }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tk_BindtagsObjCmd --
+ *
+ * This function is invoked to process the "bindtags" Tcl command. See
+ * the user documentation for details on what it does.
+ *
+ * Results:
+ * A standard Tcl result.
+ *
+ * Side effects:
+ * See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int
+Tk_BindtagsObjCmd(
+ ClientData clientData, /* Main window associated with interpreter. */
+ Tcl_Interp *interp, /* Current interpreter. */
+ int objc, /* Number of arguments. */
+ Tcl_Obj *const objv[]) /* Argument objects. */
+{
+ Tk_Window tkwin = clientData;
+ TkWindow *winPtr, *winPtr2;
+ int i, length;
+ const char *p;
+ Tcl_Obj *listPtr, **tags;
+
+ if ((objc < 2) || (objc > 3)) {
+ Tcl_WrongNumArgs(interp, 1, objv, "window ?taglist?");
+ return TCL_ERROR;
+ }
+ winPtr = (TkWindow *) Tk_NameToWindow(interp, Tcl_GetString(objv[1]),
+ tkwin);
+ if (winPtr == NULL) {
+ return TCL_ERROR;
+ }
+ if (objc == 2) {
+ listPtr = Tcl_NewObj();
+ if (winPtr->numTags == 0) {
+ Tcl_ListObjAppendElement(NULL, listPtr,
+ Tcl_NewStringObj(winPtr->pathName, -1));
+ Tcl_ListObjAppendElement(NULL, listPtr,
+ Tcl_NewStringObj(winPtr->classUid, -1));
+ winPtr2 = winPtr;
+ while ((winPtr2 != NULL) && !(Tk_TopWinHierarchy(winPtr2))) {
+ winPtr2 = winPtr2->parentPtr;
+ }
+ if ((winPtr != winPtr2) && (winPtr2 != NULL)) {
+ Tcl_ListObjAppendElement(NULL, listPtr,
+ Tcl_NewStringObj(winPtr2->pathName, -1));
+ }
+ Tcl_ListObjAppendElement(NULL, listPtr,
+ Tcl_NewStringObj("all", -1));
+ } else {
+ for (i = 0; i < winPtr->numTags; i++) {
+ Tcl_ListObjAppendElement(NULL, listPtr,
+ Tcl_NewStringObj((char *) winPtr->tagPtr[i], -1));
+ }
+ }
+ Tcl_SetObjResult(interp, listPtr);
+ return TCL_OK;
+ }
+ if (winPtr->tagPtr != NULL) {
+ TkFreeBindingTags(winPtr);
+ }
+ if (Tcl_ListObjGetElements(interp, objv[2], &length, &tags) != TCL_OK) {
+ return TCL_ERROR;
+ }
+ if (length == 0) {
+ return TCL_OK;
+ }
+
+ winPtr->numTags = length;
+ winPtr->tagPtr = ckalloc(length * sizeof(ClientData));
+ for (i = 0; i < length; i++) {
+ p = Tcl_GetString(tags[i]);
+ if (p[0] == '.') {
+ char *copy;
+
+ /*
+ * Handle names starting with "." specially: store a malloc'ed
+ * string, rather than a Uid; at event time we'll look up the name
+ * in the window table and use the corresponding window, if there
+ * is one.
+ */
+
+ copy = ckalloc(strlen(p) + 1);
+ strcpy(copy, p);
+ winPtr->tagPtr[i] = (ClientData) copy;
+ } else {
+ winPtr->tagPtr[i] = (ClientData) Tk_GetUid(p);
+ }
+ }
+ return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkFreeBindingTags --
+ *
+ * This function is called to free all of the binding tags associated
+ * with a window; typically it is only invoked where there are
+ * window-specific tags.
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * Any binding tags for winPtr are freed.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkFreeBindingTags(
+ TkWindow *winPtr) /* Window whose tags are to be released. */
+{
+ int i;
+ const char *p;
+
+ for (i = 0; i < winPtr->numTags; i++) {
+ p = winPtr->tagPtr[i];
+ if (*p == '.') {
+ /*
+ * Names starting with "." are malloced rather than Uids, so they
+ * have to be freed.
+ */
+
+ ckfree((char *)p);
+ }
+ }
+ ckfree(winPtr->tagPtr);
+ winPtr->numTags = 0;
+ winPtr->tagPtr = NULL;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tk_DestroyObjCmd --
+ *
+ * This function is invoked to process the "destroy" Tcl command. See the
+ * user documentation for details on what it does.
+ *
+ * Results:
+ * A standard Tcl result.
+ *
+ * Side effects:
+ * See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int
+Tk_DestroyObjCmd(
+ ClientData clientData, /* Main window associated with interpreter. */
+ Tcl_Interp *interp, /* Current interpreter. */
+ int objc, /* Number of arguments. */
+ Tcl_Obj *const objv[]) /* Argument objects. */
+{
+ Tk_Window window;
+ Tk_Window tkwin = clientData;
+ int i;
+
+ for (i = 1; i < objc; i++) {
+ window = Tk_NameToWindow(interp, Tcl_GetString(objv[i]), tkwin);
+ if (window == NULL) {
+ Tcl_ResetResult(interp);
+ continue;
+ }
+ Tk_DestroyWindow(window);
+ if (window == tkwin) {
+ /*
+ * We just deleted the main window for the application! This makes
+ * it impossible to do anything more (tkwin isn't valid anymore).
+ */
+
+ break;
+ }
+ }
+ return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tk_LowerObjCmd --
+ *
+ * This function is invoked to process the "lower" Tcl command. See the
+ * user documentation for details on what it does.
+ *
+ * Results:
+ * A standard Tcl result.
+ *
+ * Side effects:
+ * See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+ /* ARGSUSED */
+int
+Tk_LowerObjCmd(
+ ClientData clientData, /* Main window associated with interpreter. */
+ Tcl_Interp *interp, /* Current interpreter. */
+ int objc, /* Number of arguments. */
+ Tcl_Obj *const objv[]) /* Argument objects. */
+{
+ Tk_Window mainwin = clientData;
+ Tk_Window tkwin, other;
+
+ if ((objc != 2) && (objc != 3)) {
+ Tcl_WrongNumArgs(interp, 1, objv, "window ?belowThis?");
+ return TCL_ERROR;
+ }
+
+ tkwin = Tk_NameToWindow(interp, Tcl_GetString(objv[1]), mainwin);
+ if (tkwin == NULL) {
+ return TCL_ERROR;
+ }
+ if (objc == 2) {
+ other = NULL;
+ } else {
+ other = Tk_NameToWindow(interp, Tcl_GetString(objv[2]), mainwin);
+ if (other == NULL) {
+ return TCL_ERROR;
+ }
+ }
+ if (Tk_RestackWindow(tkwin, Below, other) != TCL_OK) {
+ if (other) {
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "can't lower \"%s\" below \"%s\"",
+ Tcl_GetString(objv[1]), Tcl_GetString(objv[2])));
+ } else {
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "can't lower \"%s\" to bottom", Tcl_GetString(objv[1])));
+ }
+ Tcl_SetErrorCode(interp, "TK", "RESTACK", "LOWER", NULL);
+ return TCL_ERROR;
+ }
+ return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tk_RaiseObjCmd --
+ *
+ * This function is invoked to process the "raise" Tcl command. See the
+ * user documentation for details on what it does.
+ *
+ * Results:
+ * A standard Tcl result.
+ *
+ * Side effects:
+ * See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+ /* ARGSUSED */
+int
+Tk_RaiseObjCmd(
+ ClientData clientData, /* Main window associated with interpreter. */
+ Tcl_Interp *interp, /* Current interpreter. */
+ int objc, /* Number of arguments. */
+ Tcl_Obj *const objv[]) /* Argument objects. */
+{
+ Tk_Window mainwin = clientData;
+ Tk_Window tkwin, other;
+
+ if ((objc != 2) && (objc != 3)) {
+ Tcl_WrongNumArgs(interp, 1, objv, "window ?aboveThis?");
+ return TCL_ERROR;
+ }
+
+ tkwin = Tk_NameToWindow(interp, Tcl_GetString(objv[1]), mainwin);
+ if (tkwin == NULL) {
+ return TCL_ERROR;
+ }
+ if (objc == 2) {
+ other = NULL;
+ } else {
+ other = Tk_NameToWindow(interp, Tcl_GetString(objv[2]), mainwin);
+ if (other == NULL) {
+ return TCL_ERROR;
+ }
+ }
+ if (Tk_RestackWindow(tkwin, Above, other) != TCL_OK) {
+ if (other) {
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "can't raise \"%s\" above \"%s\"",
+ Tcl_GetString(objv[1]), Tcl_GetString(objv[2])));
+ } else {
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "can't raise \"%s\" to top", Tcl_GetString(objv[1])));
+ }
+ Tcl_SetErrorCode(interp, "TK", "RESTACK", "RAISE", NULL);
+ return TCL_ERROR;
+ }
+ return TCL_OK;
+}
+
+/*
+ * ----------------------------------------------------------------------
+ *
+ * TkInitTkCmd --
+ *
+ * Set up the tk ensemble.
+ *
+ * Results:
+ * A standard Tcl result.
+ *
+ * Side effects:
+ * None.
+ *
+ * ----------------------------------------------------------------------
+ */
+
+int
+TkInitTkCmd(
+ Tcl_Interp *interp,
+ ClientData clientData)
+{
+ TkMakeEnsemble(interp, "::", "tk", clientData, tkCmdMap);
+#if defined(_WIN32) || defined(MAC_OSX_TK)
+ TkInitFontchooser(interp, clientData);
+#endif
+ return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * AppnameCmd, CaretCmd, ScalingCmd, UseinputmethodsCmd,
+ * WindowingsystemCmd, InactiveCmd --
+ *
+ * These functions are invoked to process the "tk" ensemble subcommands.
+ * See the user documentation for details on what they do.
+ *
+ * Results:
+ * A standard Tcl result.
+ *
+ * Side effects:
+ * See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int
+AppnameCmd(
+ ClientData clientData, /* Main window associated with interpreter. */
+ Tcl_Interp *interp, /* Current interpreter. */
+ int objc, /* Number of arguments. */
+ Tcl_Obj *const objv[]) /* Argument objects. */
+{
+ Tk_Window tkwin = clientData;
+ TkWindow *winPtr;
+ const char *string;
+
+ if (Tcl_IsSafe(interp)) {
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(
+ "appname not accessible in a safe interpreter", -1));
+ Tcl_SetErrorCode(interp, "TK", "SAFE", "APPLICATION", NULL);
+ return TCL_ERROR;
+ }
+
+ winPtr = (TkWindow *) tkwin;
+
+ if (objc > 2) {
+ Tcl_WrongNumArgs(interp, 1, objv, "?newName?");
+ return TCL_ERROR;
+ }
+ if (objc == 2) {
+ string = Tcl_GetString(objv[1]);
+ winPtr->nameUid = Tk_GetUid(Tk_SetAppName(tkwin, string));
+ }
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(winPtr->nameUid, -1));
+ return TCL_OK;
+}
+
+int
+CaretCmd(
+ ClientData clientData, /* Main window associated with interpreter. */
+ Tcl_Interp *interp, /* Current interpreter. */
+ int objc, /* Number of arguments. */
+ Tcl_Obj *const objv[]) /* Argument objects. */
+{
+ Tk_Window tkwin = clientData;
+ int index;
+ Tcl_Obj *objPtr;
+ TkCaret *caretPtr;
+ Tk_Window window;
+ static const char *const caretStrings[] = {
+ "-x", "-y", "-height", NULL
+ };
+ enum caretOptions {
+ TK_CARET_X, TK_CARET_Y, TK_CARET_HEIGHT
+ };
+
+ if ((objc < 2) || ((objc > 3) && !!(objc & 1))) {
+ Tcl_WrongNumArgs(interp, 1, objv,
+ "window ?-x x? ?-y y? ?-height height?");
+ return TCL_ERROR;
+ }
+ window = Tk_NameToWindow(interp, Tcl_GetString(objv[1]), tkwin);
+ if (window == NULL) {
+ return TCL_ERROR;
+ }
+ caretPtr = &(((TkWindow *) window)->dispPtr->caret);
+ if (objc == 2) {
+ /*
+ * Return all the current values
+ */
+
+ objPtr = Tcl_NewObj();
+ Tcl_ListObjAppendElement(interp, objPtr,
+ Tcl_NewStringObj("-height", 7));
+ Tcl_ListObjAppendElement(interp, objPtr,
+ Tcl_NewIntObj(caretPtr->height));
+ Tcl_ListObjAppendElement(interp, objPtr,
+ Tcl_NewStringObj("-x", 2));
+ Tcl_ListObjAppendElement(interp, objPtr,
+ Tcl_NewIntObj(caretPtr->x));
+ Tcl_ListObjAppendElement(interp, objPtr,
+ Tcl_NewStringObj("-y", 2));
+ Tcl_ListObjAppendElement(interp, objPtr,
+ Tcl_NewIntObj(caretPtr->y));
+ Tcl_SetObjResult(interp, objPtr);
+ } else if (objc == 3) {
+ int value;
+
+ /*
+ * Return the current value of the selected option
+ */
+
+ if (Tcl_GetIndexFromObj(interp, objv[2], caretStrings,
+ "caret option", 0, &index) != TCL_OK) {
+ return TCL_ERROR;
+ }
+ if (index == TK_CARET_X) {
+ value = caretPtr->x;
+ } else if (index == TK_CARET_Y) {
+ value = caretPtr->y;
+ } else /* if (index == TK_CARET_HEIGHT) -- last case */ {
+ value = caretPtr->height;
+ }
+ Tcl_SetObjResult(interp, Tcl_NewIntObj(value));
+ } else {
+ int i, value, x = 0, y = 0, height = -1;
+
+ for (i = 2; i < objc; i += 2) {
+ if ((Tcl_GetIndexFromObj(interp, objv[i], caretStrings,
+ "caret option", 0, &index) != TCL_OK) ||
+ Tcl_GetIntFromObj(interp,objv[i+1],&value) != TCL_OK) {
+ return TCL_ERROR;
+ }
+ if (index == TK_CARET_X) {
+ x = value;
+ } else if (index == TK_CARET_Y) {
+ y = value;
+ } else /* if (index == TK_CARET_HEIGHT) -- last case */ {
+ height = value;
+ }
+ }
+ if (height < 0) {
+ height = Tk_Height(window);
+ }
+ Tk_SetCaretPos(window, x, y, height);
+ }
+ return TCL_OK;
+}
+
+int
+ScalingCmd(
+ ClientData clientData, /* Main window associated with interpreter. */
+ Tcl_Interp *interp, /* Current interpreter. */
+ int objc, /* Number of arguments. */
+ Tcl_Obj *const objv[]) /* Argument objects. */
+{
+ Tk_Window tkwin = clientData;
+ Screen *screenPtr;
+ int skip, width, height;
+ double d;
+
+ if (Tcl_IsSafe(interp)) {
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(
+ "scaling not accessible in a safe interpreter", -1));
+ Tcl_SetErrorCode(interp, "TK", "SAFE", "SCALING", NULL);
+ return TCL_ERROR;
+ }
+
+ skip = TkGetDisplayOf(interp, objc - 1, objv + 1, &tkwin);
+ if (skip < 0) {
+ return TCL_ERROR;
+ }
+ screenPtr = Tk_Screen(tkwin);
+ if (objc - skip == 1) {
+ d = 25.4 / 72;
+ d *= WidthOfScreen(screenPtr);
+ d /= WidthMMOfScreen(screenPtr);
+ Tcl_SetObjResult(interp, Tcl_NewDoubleObj(d));
+ } else if (objc - skip == 2) {
+ if (Tcl_GetDoubleFromObj(interp, objv[1+skip], &d) != TCL_OK) {
+ return TCL_ERROR;
+ }
+ d = (25.4 / 72) / d;
+ width = (int) (d * WidthOfScreen(screenPtr) + 0.5);
+ if (width <= 0) {
+ width = 1;
+ }
+ height = (int) (d * HeightOfScreen(screenPtr) + 0.5);
+ if (height <= 0) {
+ height = 1;
+ }
+ WidthMMOfScreen(screenPtr) = width;
+ HeightMMOfScreen(screenPtr) = height;
+ } else {
+ Tcl_WrongNumArgs(interp, 1, objv, "?-displayof window? ?factor?");
+ return TCL_ERROR;
+ }
+ return TCL_OK;
+}
+
+int
+UseinputmethodsCmd(
+ ClientData clientData, /* Main window associated with interpreter. */
+ Tcl_Interp *interp, /* Current interpreter. */
+ int objc, /* Number of arguments. */
+ Tcl_Obj *const objv[]) /* Argument objects. */
+{
+ Tk_Window tkwin = clientData;
+ TkDisplay *dispPtr;
+ int skip;
+
+ if (Tcl_IsSafe(interp)) {
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(
+ "useinputmethods not accessible in a safe interpreter", -1));
+ Tcl_SetErrorCode(interp, "TK", "SAFE", "INPUT_METHODS", NULL);
+ return TCL_ERROR;
+ }
+
+ skip = TkGetDisplayOf(interp, objc-1, objv+1, &tkwin);
+ if (skip < 0) {
+ return TCL_ERROR;
+ }
+ dispPtr = ((TkWindow *) tkwin)->dispPtr;
+ if ((objc - skip) == 2) {
+ /*
+ * In the case where TK_USE_INPUT_METHODS is not defined, this
+ * will be ignored and we will always return 0. That will indicate
+ * to the user that input methods are just not available.
+ */
+
+ int boolVal;
+
+ if (Tcl_GetBooleanFromObj(interp, objv[1+skip],
+ &boolVal) != TCL_OK) {
+ return TCL_ERROR;
+ }
+#ifdef TK_USE_INPUT_METHODS
+ if (boolVal) {
+ dispPtr->flags |= TK_DISPLAY_USE_IM;
+ } else {
+ dispPtr->flags &= ~TK_DISPLAY_USE_IM;
+ }
+#endif /* TK_USE_INPUT_METHODS */
+ } else if ((objc - skip) != 1) {
+ Tcl_WrongNumArgs(interp, 1, objv,
+ "?-displayof window? ?boolean?");
+ return TCL_ERROR;
+ }
+ Tcl_SetObjResult(interp,
+ Tcl_NewBooleanObj(dispPtr->flags & TK_DISPLAY_USE_IM));
+ return TCL_OK;
+}
+
+int
+WindowingsystemCmd(
+ ClientData clientData, /* Main window associated with interpreter. */
+ Tcl_Interp *interp, /* Current interpreter. */
+ int objc, /* Number of arguments. */
+ Tcl_Obj *const objv[]) /* Argument objects. */
+{
+ const char *windowingsystem;
+
+ if (objc != 1) {
+ Tcl_WrongNumArgs(interp, 1, objv, NULL);
+ return TCL_ERROR;
+ }
+#if defined(_WIN32)
+ windowingsystem = "win32";
+#elif defined(MAC_OSX_TK)
+ windowingsystem = "aqua";
+#else
+ windowingsystem = "x11";
+#endif
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(windowingsystem, -1));
+ return TCL_OK;
+}
+
+int
+InactiveCmd(
+ ClientData clientData, /* Main window associated with interpreter. */
+ Tcl_Interp *interp, /* Current interpreter. */
+ int objc, /* Number of arguments. */
+ Tcl_Obj *const objv[]) /* Argument objects. */
+{
+ Tk_Window tkwin = clientData;
+ int skip = TkGetDisplayOf(interp, objc - 1, objv + 1, &tkwin);
+
+ if (skip < 0) {
+ return TCL_ERROR;
+ }
+ if (objc - skip == 1) {
+ long inactive;
+
+ inactive = (Tcl_IsSafe(interp) ? -1 :
+ Tk_GetUserInactiveTime(Tk_Display(tkwin)));
+ Tcl_SetObjResult(interp, Tcl_NewLongObj(inactive));
+ } else if (objc - skip == 2) {
+ const char *string;
+
+ string = Tcl_GetString(objv[objc-1]);
+ if (strcmp(string, "reset") != 0) {
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "bad option \"%s\": must be reset", string));
+ Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "INDEX", "option",
+ string, NULL);
+ return TCL_ERROR;
+ }
+ if (Tcl_IsSafe(interp)) {
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(
+ "resetting the user inactivity timer "
+ "is not allowed in a safe interpreter", -1));
+ Tcl_SetErrorCode(interp, "TK", "SAFE", "INACTIVITY_TIMER", NULL);
+ return TCL_ERROR;
+ }
+ Tk_ResetUserInactiveTime(Tk_Display(tkwin));
+ Tcl_ResetResult(interp);
+ } else {
+ Tcl_WrongNumArgs(interp, 1, objv, "?-displayof window? ?reset?");
+ return TCL_ERROR;
+ }
+ return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tk_TkwaitObjCmd --
+ *
+ * This function is invoked to process the "tkwait" Tcl command. See the
+ * user documentation for details on what it does.
+ *
+ * Results:
+ * A standard Tcl result.
+ *
+ * Side effects:
+ * See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+ /* ARGSUSED */
+int
+Tk_TkwaitObjCmd(
+ ClientData clientData, /* Main window associated with interpreter. */
+ Tcl_Interp *interp, /* Current interpreter. */
+ int objc, /* Number of arguments. */
+ Tcl_Obj *const objv[]) /* Argument objects. */
+{
+ Tk_Window tkwin = clientData;
+ int done, index;
+ int code = TCL_OK;
+ static const char *const optionStrings[] = {
+ "variable", "visibility", "window", NULL
+ };
+ enum options {
+ TKWAIT_VARIABLE, TKWAIT_VISIBILITY, TKWAIT_WINDOW
+ };
+
+ if (objc != 3) {
+ Tcl_WrongNumArgs(interp, 1, objv, "variable|visibility|window name");
+ return TCL_ERROR;
+ }
+
+ if (Tcl_GetIndexFromObj(interp, objv[1], optionStrings, "option", 0,
+ &index) != TCL_OK) {
+ return TCL_ERROR;
+ }
+
+ switch ((enum options) index) {
+ case TKWAIT_VARIABLE:
+ if (Tcl_TraceVar2(interp, Tcl_GetString(objv[2]),
+ NULL, TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
+ WaitVariableProc, &done) != TCL_OK) {
+ return TCL_ERROR;
+ }
+ done = 0;
+ while (!done) {
+ if (Tcl_Canceled(interp, TCL_LEAVE_ERR_MSG) == TCL_ERROR) {
+ code = TCL_ERROR;
+ break;
+ }
+ Tcl_DoOneEvent(0);
+ }
+ Tcl_UntraceVar2(interp, Tcl_GetString(objv[2]),
+ NULL, TCL_GLOBAL_ONLY|TCL_TRACE_WRITES|TCL_TRACE_UNSETS,
+ WaitVariableProc, &done);
+ break;
+
+ case TKWAIT_VISIBILITY: {
+ Tk_Window window;
+
+ window = Tk_NameToWindow(interp, Tcl_GetString(objv[2]), tkwin);
+ if (window == NULL) {
+ return TCL_ERROR;
+ }
+ Tk_CreateEventHandler(window,
+ VisibilityChangeMask|StructureNotifyMask,
+ WaitVisibilityProc, &done);
+ done = 0;
+ while (!done) {
+ if (Tcl_Canceled(interp, TCL_LEAVE_ERR_MSG) == TCL_ERROR) {
+ code = TCL_ERROR;
+ break;
+ }
+ Tcl_DoOneEvent(0);
+ }
+ if ((done != 0) && (done != 1)) {
+ /*
+ * Note that we do not delete the event handler because it was
+ * deleted automatically when the window was destroyed.
+ */
+
+ Tcl_ResetResult(interp);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "window \"%s\" was deleted before its visibility changed",
+ Tcl_GetString(objv[2])));
+ Tcl_SetErrorCode(interp, "TK", "WAIT", "PREMATURE", NULL);
+ return TCL_ERROR;
+ }
+ Tk_DeleteEventHandler(window,
+ VisibilityChangeMask|StructureNotifyMask,
+ WaitVisibilityProc, &done);
+ break;
+ }
+
+ case TKWAIT_WINDOW: {
+ Tk_Window window;
+
+ window = Tk_NameToWindow(interp, Tcl_GetString(objv[2]), tkwin);
+ if (window == NULL) {
+ return TCL_ERROR;
+ }
+ Tk_CreateEventHandler(window, StructureNotifyMask,
+ WaitWindowProc, &done);
+ done = 0;
+ while (!done) {
+ if (Tcl_Canceled(interp, TCL_LEAVE_ERR_MSG) == TCL_ERROR) {
+ code = TCL_ERROR;
+ break;
+ }
+ Tcl_DoOneEvent(0);
+ }
+
+ /*
+ * Note: normally there's no need to delete the event handler. It was
+ * deleted automatically when the window was destroyed; however, if
+ * the wait operation was canceled, we need to delete it.
+ */
+
+ if (done == 0) {
+ Tk_DeleteEventHandler(window, StructureNotifyMask,
+ WaitWindowProc, &done);
+ }
+ break;
+ }
+ }
+
+ /*
+ * Clear out the interpreter's result, since it may have been set by event
+ * handlers. This is skipped if an error occurred above, such as the wait
+ * operation being canceled.
+ */
+
+ if (code == TCL_OK)
+ Tcl_ResetResult(interp);
+
+ return code;
+}
+
+ /* ARGSUSED */
+static char *
+WaitVariableProc(
+ ClientData clientData, /* Pointer to integer to set to 1. */
+ Tcl_Interp *interp, /* Interpreter containing variable. */
+ const char *name1, /* Name of variable. */
+ const char *name2, /* Second part of variable name. */
+ int flags) /* Information about what happened. */
+{
+ int *donePtr = clientData;
+
+ *donePtr = 1;
+ return NULL;
+}
+
+ /*ARGSUSED*/
+static void
+WaitVisibilityProc(
+ ClientData clientData, /* Pointer to integer to set to 1. */
+ XEvent *eventPtr) /* Information about event (not used). */
+{
+ int *donePtr = clientData;
+
+ if (eventPtr->type == VisibilityNotify) {
+ *donePtr = 1;
+ } else if (eventPtr->type == DestroyNotify) {
+ *donePtr = 2;
+ }
+}
+
+static void
+WaitWindowProc(
+ ClientData clientData, /* Pointer to integer to set to 1. */
+ XEvent *eventPtr) /* Information about event. */
+{
+ int *donePtr = clientData;
+
+ if (eventPtr->type == DestroyNotify) {
+ *donePtr = 1;
+ }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tk_UpdateObjCmd --
+ *
+ * This function is invoked to process the "update" Tcl command. See the
+ * user documentation for details on what it does.
+ *
+ * Results:
+ * A standard Tcl result.
+ *
+ * Side effects:
+ * See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+ /* ARGSUSED */
+int
+Tk_UpdateObjCmd(
+ ClientData clientData, /* Main window associated with interpreter. */
+ Tcl_Interp *interp, /* Current interpreter. */
+ int objc, /* Number of arguments. */
+ Tcl_Obj *const objv[]) /* Argument objects. */
+{
+ static const char *const updateOptions[] = {"idletasks", NULL};
+ int flags, index;
+ TkDisplay *dispPtr;
+ int code = TCL_OK;
+
+ if (objc == 1) {
+ flags = TCL_DONT_WAIT;
+ } else if (objc == 2) {
+ if (Tcl_GetIndexFromObj(interp, objv[1], updateOptions, "option", 0,
+ &index) != TCL_OK) {
+ return TCL_ERROR;
+ }
+ flags = TCL_IDLE_EVENTS;
+ } else {
+ Tcl_WrongNumArgs(interp, 1, objv, "?idletasks?");
+ return TCL_ERROR;
+ }
+
+ /*
+ * Handle all pending events, sync all displays, and repeat over and over
+ * again until all pending events have been handled. Special note: it's
+ * possible that the entire application could be destroyed by an event
+ * handler that occurs during the update. Thus, don't use any information
+ * from tkwin after calling Tcl_DoOneEvent.
+ */
+
+ while (1) {
+ while (Tcl_DoOneEvent(flags) != 0) {
+ if (Tcl_Canceled(interp, TCL_LEAVE_ERR_MSG) == TCL_ERROR) {
+ code = TCL_ERROR;
+ break;
+ }
+ }
+
+ /*
+ * If event processing was canceled proceed no further.
+ */
+
+ if (code == TCL_ERROR)
+ break;
+
+ for (dispPtr = TkGetDisplayList(); dispPtr != NULL;
+ dispPtr = dispPtr->nextPtr) {
+ XSync(dispPtr->display, False);
+ }
+
+ /*
+ * Check again if event processing has been canceled because the inner
+ * loop (above) may not have checked (i.e. no events were processed and
+ * the loop body was skipped).
+ */
+
+ if (Tcl_Canceled(interp, TCL_LEAVE_ERR_MSG) == TCL_ERROR) {
+ code = TCL_ERROR;
+ break;
+ }
+
+ if (Tcl_DoOneEvent(flags) == 0) {
+ break;
+ }
+ }
+
+ /*
+ * Must clear the interpreter's result because event handlers could have
+ * executed commands. This is skipped if an error occurred above, such as
+ * the wait operation being canceled.
+ */
+
+ if (code == TCL_OK)
+ Tcl_ResetResult(interp);
+
+ return code;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tk_WinfoObjCmd --
+ *
+ * This function is invoked to process the "winfo" Tcl command. See the
+ * user documentation for details on what it does.
+ *
+ * Results:
+ * A standard Tcl result.
+ *
+ * Side effects:
+ * See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int
+Tk_WinfoObjCmd(
+ ClientData clientData, /* Main window associated with interpreter. */
+ Tcl_Interp *interp, /* Current interpreter. */
+ int objc, /* Number of arguments. */
+ Tcl_Obj *const objv[]) /* Argument objects. */
+{
+ int index, x, y, width, height, useX, useY, class, skip;
+ const char *string;
+ TkWindow *winPtr;
+ Tk_Window tkwin = clientData;
+
+ static const TkStateMap visualMap[] = {
+ {PseudoColor, "pseudocolor"},
+ {GrayScale, "grayscale"},
+ {DirectColor, "directcolor"},
+ {TrueColor, "truecolor"},
+ {StaticColor, "staticcolor"},
+ {StaticGray, "staticgray"},
+ {-1, NULL}
+ };
+ static const char *const optionStrings[] = {
+ "cells", "children", "class", "colormapfull",
+ "depth", "geometry", "height", "id",
+ "ismapped", "manager", "name", "parent",
+ "pointerx", "pointery", "pointerxy", "reqheight",
+ "reqwidth", "rootx", "rooty", "screen",
+ "screencells", "screendepth", "screenheight", "screenwidth",
+ "screenmmheight","screenmmwidth","screenvisual","server",
+ "toplevel", "viewable", "visual", "visualid",
+ "vrootheight", "vrootwidth", "vrootx", "vrooty",
+ "width", "x", "y",
+
+ "atom", "atomname", "containing", "interps",
+ "pathname",
+
+ "exists", "fpixels", "pixels", "rgb",
+ "visualsavailable",
+
+ NULL
+ };
+ enum options {
+ WIN_CELLS, WIN_CHILDREN, WIN_CLASS, WIN_COLORMAPFULL,
+ WIN_DEPTH, WIN_GEOMETRY, WIN_HEIGHT, WIN_ID,
+ WIN_ISMAPPED, WIN_MANAGER, WIN_NAME, WIN_PARENT,
+ WIN_POINTERX, WIN_POINTERY, WIN_POINTERXY, WIN_REQHEIGHT,
+ WIN_REQWIDTH, WIN_ROOTX, WIN_ROOTY, WIN_SCREEN,
+ WIN_SCREENCELLS,WIN_SCREENDEPTH,WIN_SCREENHEIGHT,WIN_SCREENWIDTH,
+ WIN_SCREENMMHEIGHT,WIN_SCREENMMWIDTH,WIN_SCREENVISUAL,WIN_SERVER,
+ WIN_TOPLEVEL, WIN_VIEWABLE, WIN_VISUAL, WIN_VISUALID,
+ WIN_VROOTHEIGHT,WIN_VROOTWIDTH, WIN_VROOTX, WIN_VROOTY,
+ WIN_WIDTH, WIN_X, WIN_Y,
+
+ WIN_ATOM, WIN_ATOMNAME, WIN_CONTAINING, WIN_INTERPS,
+ WIN_PATHNAME,
+
+ WIN_EXISTS, WIN_FPIXELS, WIN_PIXELS, WIN_RGB,
+ WIN_VISUALSAVAILABLE
+ };
+
+ if (objc < 2) {
+ Tcl_WrongNumArgs(interp, 1, objv, "option ?arg?");
+ return TCL_ERROR;
+ }
+ if (Tcl_GetIndexFromObj(interp, objv[1], optionStrings, "option", 0,
+ &index) != TCL_OK) {
+ return TCL_ERROR;
+ }
+
+ if (index < WIN_ATOM) {
+ if (objc != 3) {
+ Tcl_WrongNumArgs(interp, 2, objv, "window");
+ return TCL_ERROR;
+ }
+ string = Tcl_GetString(objv[2]);
+ tkwin = Tk_NameToWindow(interp, string, tkwin);
+ if (tkwin == NULL) {
+ return TCL_ERROR;
+ }
+ }
+ winPtr = (TkWindow *) tkwin;
+
+ switch ((enum options) index) {
+ case WIN_CELLS:
+ Tcl_SetObjResult(interp,
+ Tcl_NewIntObj(Tk_Visual(tkwin)->map_entries));
+ break;
+ case WIN_CHILDREN: {
+ Tcl_Obj *strPtr, *resultPtr = Tcl_NewObj();
+
+ winPtr = winPtr->childList;
+ for ( ; winPtr != NULL; winPtr = winPtr->nextPtr) {
+ if (!(winPtr->flags & TK_ANONYMOUS_WINDOW)) {
+ strPtr = Tcl_NewStringObj(winPtr->pathName, -1);
+ Tcl_ListObjAppendElement(NULL, resultPtr, strPtr);
+ }
+ }
+ Tcl_SetObjResult(interp, resultPtr);
+ break;
+ }
+ case WIN_CLASS:
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(Tk_Class(tkwin), -1));
+ break;
+ case WIN_COLORMAPFULL:
+ Tcl_SetObjResult(interp,
+ Tcl_NewBooleanObj(TkpCmapStressed(tkwin,Tk_Colormap(tkwin))));
+ break;
+ case WIN_DEPTH:
+ Tcl_SetObjResult(interp, Tcl_NewIntObj(Tk_Depth(tkwin)));
+ break;
+ case WIN_GEOMETRY:
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf("%dx%d+%d+%d",
+ Tk_Width(tkwin), Tk_Height(tkwin), Tk_X(tkwin), Tk_Y(tkwin)));
+ break;
+ case WIN_HEIGHT:
+ Tcl_SetObjResult(interp, Tcl_NewIntObj(Tk_Height(tkwin)));
+ break;
+ case WIN_ID: {
+ char buf[TCL_INTEGER_SPACE];
+
+ Tk_MakeWindowExist(tkwin);
+ TkpPrintWindowId(buf, Tk_WindowId(tkwin));
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(buf, -1));
+ break;
+ }
+ case WIN_ISMAPPED:
+ Tcl_SetObjResult(interp, Tcl_NewBooleanObj(Tk_IsMapped(tkwin)));
+ break;
+ case WIN_MANAGER:
+ if (winPtr->geomMgrPtr != NULL) {
+ Tcl_SetObjResult(interp,
+ Tcl_NewStringObj(winPtr->geomMgrPtr->name, -1));
+ }
+ break;
+ case WIN_NAME:
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(Tk_Name(tkwin), -1));
+ break;
+ case WIN_PARENT:
+ if (winPtr->parentPtr != NULL) {
+ Tcl_SetObjResult(interp,
+ Tcl_NewStringObj(winPtr->parentPtr->pathName, -1));
+ }
+ break;
+ case WIN_POINTERX:
+ useX = 1;
+ useY = 0;
+ goto pointerxy;
+ case WIN_POINTERY:
+ useX = 0;
+ useY = 1;
+ goto pointerxy;
+ case WIN_POINTERXY:
+ useX = 1;
+ useY = 1;
+
+ pointerxy:
+ winPtr = GetTopHierarchy(tkwin);
+ if (winPtr == NULL) {
+ x = -1;
+ y = -1;
+ } else {
+ TkGetPointerCoords((Tk_Window) winPtr, &x, &y);
+ }
+ if (useX & useY) {
+ Tcl_Obj *xyObj[2];
+
+ xyObj[0] = Tcl_NewIntObj(x);
+ xyObj[1] = Tcl_NewIntObj(y);
+ Tcl_SetObjResult(interp, Tcl_NewListObj(2, xyObj));
+ } else if (useX) {
+ Tcl_SetObjResult(interp, Tcl_NewIntObj(x));
+ } else {
+ Tcl_SetObjResult(interp, Tcl_NewIntObj(y));
+ }
+ break;
+ case WIN_REQHEIGHT:
+ Tcl_SetObjResult(interp, Tcl_NewIntObj(Tk_ReqHeight(tkwin)));
+ break;
+ case WIN_REQWIDTH:
+ Tcl_SetObjResult(interp, Tcl_NewIntObj(Tk_ReqWidth(tkwin)));
+ break;
+ case WIN_ROOTX:
+ Tk_GetRootCoords(tkwin, &x, &y);
+ Tcl_SetObjResult(interp, Tcl_NewIntObj(x));
+ break;
+ case WIN_ROOTY:
+ Tk_GetRootCoords(tkwin, &x, &y);
+ Tcl_SetObjResult(interp, Tcl_NewIntObj(y));
+ break;
+ case WIN_SCREEN:
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf("%s.%d",
+ Tk_DisplayName(tkwin), Tk_ScreenNumber(tkwin)));
+ break;
+ case WIN_SCREENCELLS:
+ Tcl_SetObjResult(interp,
+ Tcl_NewIntObj(CellsOfScreen(Tk_Screen(tkwin))));
+ break;
+ case WIN_SCREENDEPTH:
+ Tcl_SetObjResult(interp,
+ Tcl_NewIntObj(DefaultDepthOfScreen(Tk_Screen(tkwin))));
+ break;
+ case WIN_SCREENHEIGHT:
+ Tcl_SetObjResult(interp,
+ Tcl_NewIntObj(HeightOfScreen(Tk_Screen(tkwin))));
+ break;
+ case WIN_SCREENWIDTH:
+ Tcl_SetObjResult(interp,
+ Tcl_NewIntObj(WidthOfScreen(Tk_Screen(tkwin))));
+ break;
+ case WIN_SCREENMMHEIGHT:
+ Tcl_SetObjResult(interp,
+ Tcl_NewIntObj(HeightMMOfScreen(Tk_Screen(tkwin))));
+ break;
+ case WIN_SCREENMMWIDTH:
+ Tcl_SetObjResult(interp,
+ Tcl_NewIntObj(WidthMMOfScreen(Tk_Screen(tkwin))));
+ break;
+ case WIN_SCREENVISUAL:
+ class = DefaultVisualOfScreen(Tk_Screen(tkwin))->class;
+ goto visual;
+ case WIN_SERVER:
+ TkGetServerInfo(interp, tkwin);
+ break;
+ case WIN_TOPLEVEL:
+ winPtr = GetTopHierarchy(tkwin);
+ if (winPtr != NULL) {
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(winPtr->pathName, -1));
+ }
+ break;
+ case WIN_VIEWABLE: {
+ int viewable = 0;
+
+ for ( ; ; winPtr = winPtr->parentPtr) {
+ if ((winPtr == NULL) || !(winPtr->flags & TK_MAPPED)) {
+ break;
+ }
+ if (winPtr->flags & TK_TOP_HIERARCHY) {
+ viewable = 1;
+ break;
+ }
+ }
+
+ Tcl_SetObjResult(interp, Tcl_NewBooleanObj(viewable));
+ break;
+ }
+ case WIN_VISUAL:
+ class = Tk_Visual(tkwin)->class;
+
+ visual:
+ string = TkFindStateString(visualMap, class);
+ if (string == NULL) {
+ string = "unknown";
+ }
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(string, -1));
+ break;
+ case WIN_VISUALID:
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf("0x%x", (unsigned)
+ XVisualIDFromVisual(Tk_Visual(tkwin))));
+ break;
+ case WIN_VROOTHEIGHT:
+ Tk_GetVRootGeometry(tkwin, &x, &y, &width, &height);
+ Tcl_SetObjResult(interp, Tcl_NewIntObj(height));
+ break;
+ case WIN_VROOTWIDTH:
+ Tk_GetVRootGeometry(tkwin, &x, &y, &width, &height);
+ Tcl_SetObjResult(interp, Tcl_NewIntObj(width));
+ break;
+ case WIN_VROOTX:
+ Tk_GetVRootGeometry(tkwin, &x, &y, &width, &height);
+ Tcl_SetObjResult(interp, Tcl_NewIntObj(x));
+ break;
+ case WIN_VROOTY:
+ Tk_GetVRootGeometry(tkwin, &x, &y, &width, &height);
+ Tcl_SetObjResult(interp, Tcl_NewIntObj(y));
+ break;
+ case WIN_WIDTH:
+ Tcl_SetObjResult(interp, Tcl_NewIntObj(Tk_Width(tkwin)));
+ break;
+ case WIN_X:
+ Tcl_SetObjResult(interp, Tcl_NewIntObj(Tk_X(tkwin)));
+ break;
+ case WIN_Y:
+ Tcl_SetObjResult(interp, Tcl_NewIntObj(Tk_Y(tkwin)));
+ break;
+
+ /*
+ * Uses -displayof.
+ */
+
+ case WIN_ATOM:
+ skip = TkGetDisplayOf(interp, objc - 2, objv + 2, &tkwin);
+ if (skip < 0) {
+ return TCL_ERROR;
+ }
+ if (objc - skip != 3) {
+ Tcl_WrongNumArgs(interp, 2, objv, "?-displayof window? name");
+ return TCL_ERROR;
+ }
+ objv += skip;
+ string = Tcl_GetString(objv[2]);
+ Tcl_SetObjResult(interp,
+ Tcl_NewLongObj((long) Tk_InternAtom(tkwin, string)));
+ break;
+ case WIN_ATOMNAME: {
+ const char *name;
+ long id;
+
+ skip = TkGetDisplayOf(interp, objc - 2, objv + 2, &tkwin);
+ if (skip < 0) {
+ return TCL_ERROR;
+ }
+ if (objc - skip != 3) {
+ Tcl_WrongNumArgs(interp, 2, objv, "?-displayof window? id");
+ return TCL_ERROR;
+ }
+ objv += skip;
+ if (Tcl_GetLongFromObj(interp, objv[2], &id) != TCL_OK) {
+ return TCL_ERROR;
+ }
+ name = Tk_GetAtomName(tkwin, (Atom) id);
+ if (strcmp(name, "?bad atom?") == 0) {
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "no atom exists with id \"%s\"", Tcl_GetString(objv[2])));
+ Tcl_SetErrorCode(interp, "TK", "LOOKUP", "ATOM",
+ Tcl_GetString(objv[2]), NULL);
+ return TCL_ERROR;
+ }
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(name, -1));
+ break;
+ }
+ case WIN_CONTAINING:
+ skip = TkGetDisplayOf(interp, objc - 2, objv + 2, &tkwin);
+ if (skip < 0) {
+ return TCL_ERROR;
+ }
+ if (objc - skip != 4) {
+ Tcl_WrongNumArgs(interp, 2, objv,
+ "?-displayof window? rootX rootY");
+ return TCL_ERROR;
+ }
+ objv += skip;
+ string = Tcl_GetString(objv[2]);
+ if (Tk_GetPixels(interp, tkwin, string, &x) != TCL_OK) {
+ return TCL_ERROR;
+ }
+ string = Tcl_GetString(objv[3]);
+ if (Tk_GetPixels(interp, tkwin, string, &y) != TCL_OK) {
+ return TCL_ERROR;
+ }
+ tkwin = Tk_CoordsToWindow(x, y, tkwin);
+ if (tkwin != NULL) {
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(Tk_PathName(tkwin),-1));
+ }
+ break;
+ case WIN_INTERPS:
+ skip = TkGetDisplayOf(interp, objc - 2, objv + 2, &tkwin);
+ if (skip < 0) {
+ return TCL_ERROR;
+ }
+ if (objc - skip != 2) {
+ Tcl_WrongNumArgs(interp, 2, objv, "?-displayof window?");
+ return TCL_ERROR;
+ }
+ return TkGetInterpNames(interp, tkwin);
+ case WIN_PATHNAME: {
+ Window id;
+
+ skip = TkGetDisplayOf(interp, objc - 2, objv + 2, &tkwin);
+ if (skip < 0) {
+ return TCL_ERROR;
+ }
+ if (objc - skip != 3) {
+ Tcl_WrongNumArgs(interp, 2, objv, "?-displayof window? id");
+ return TCL_ERROR;
+ }
+ string = Tcl_GetString(objv[2 + skip]);
+ if (TkpScanWindowId(interp, string, &id) != TCL_OK) {
+ return TCL_ERROR;
+ }
+ winPtr = (TkWindow *) Tk_IdToWindow(Tk_Display(tkwin), id);
+ if ((winPtr == NULL) ||
+ (winPtr->mainPtr != ((TkWindow *) tkwin)->mainPtr)) {
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "window id \"%s\" doesn't exist in this application",
+ string));
+ Tcl_SetErrorCode(interp, "TK", "LOOKUP", "WINDOW", string, NULL);
+ return TCL_ERROR;
+ }
+
+ /*
+ * If the window is a utility window with no associated path (such as
+ * a wrapper window or send communication window), just return an
+ * empty string.
+ */
+
+ tkwin = (Tk_Window) winPtr;
+ if (Tk_PathName(tkwin) != NULL) {
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(Tk_PathName(tkwin),-1));
+ }
+ break;
+ }
+
+ /*
+ * objv[3] is window.
+ */
+
+ case WIN_EXISTS: {
+ int alive;
+
+ if (objc != 3) {
+ Tcl_WrongNumArgs(interp, 2, objv, "window");
+ return TCL_ERROR;
+ }
+ string = Tcl_GetString(objv[2]);
+ winPtr = (TkWindow *) Tk_NameToWindow(interp, string, tkwin);
+ Tcl_ResetResult(interp);
+
+ alive = 1;
+ if ((winPtr == NULL) || (winPtr->flags & TK_ALREADY_DEAD)) {
+ alive = 0;
+ }
+ Tcl_SetObjResult(interp, Tcl_NewBooleanObj(alive));
+ break;
+ }
+ case WIN_FPIXELS: {
+ double mm, pixels;
+
+ if (objc != 4) {
+ Tcl_WrongNumArgs(interp, 2, objv, "window number");
+ return TCL_ERROR;
+ }
+ if (TkGetWindowFromObj(interp, tkwin, objv[2], &tkwin) != TCL_OK) {
+ return TCL_ERROR;
+ }
+ string = Tcl_GetString(objv[3]);
+ if (Tk_GetScreenMM(interp, tkwin, string, &mm) != TCL_OK) {
+ return TCL_ERROR;
+ }
+ pixels = mm * WidthOfScreen(Tk_Screen(tkwin))
+ / WidthMMOfScreen(Tk_Screen(tkwin));
+ Tcl_SetObjResult(interp, Tcl_NewDoubleObj(pixels));
+ break;
+ }
+ case WIN_PIXELS: {
+ int pixels;
+
+ if (objc != 4) {
+ Tcl_WrongNumArgs(interp, 2, objv, "window number");
+ return TCL_ERROR;
+ }
+ if (TkGetWindowFromObj(interp, tkwin, objv[2], &tkwin) != TCL_OK) {
+ return TCL_ERROR;
+ }
+ string = Tcl_GetString(objv[3]);
+ if (Tk_GetPixels(interp, tkwin, string, &pixels) != TCL_OK) {
+ return TCL_ERROR;
+ }
+ Tcl_SetObjResult(interp, Tcl_NewIntObj(pixels));
+ break;
+ }
+ case WIN_RGB: {
+ XColor *colorPtr;
+
+ if (objc != 4) {
+ Tcl_WrongNumArgs(interp, 2, objv, "window colorName");
+ return TCL_ERROR;
+ }
+ if (TkGetWindowFromObj(interp, tkwin, objv[2], &tkwin) != TCL_OK) {
+ return TCL_ERROR;
+ }
+ colorPtr = Tk_GetColor(interp, tkwin, Tcl_GetString(objv[3]));
+ if (colorPtr == NULL) {
+ return TCL_ERROR;
+ }
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf("%d %d %d",
+ colorPtr->red, colorPtr->green, colorPtr->blue));
+ Tk_FreeColor(colorPtr);
+ break;
+ }
+ case WIN_VISUALSAVAILABLE: {
+ XVisualInfo template, *visInfoPtr;
+ int count, i;
+ int includeVisualId;
+ Tcl_Obj *strPtr, *resultPtr;
+ char buf[16 + TCL_INTEGER_SPACE];
+ char visualIdString[TCL_INTEGER_SPACE];
+
+ if (objc == 3) {
+ includeVisualId = 0;
+ } else if ((objc == 4)
+ && (strcmp(Tcl_GetString(objv[3]), "includeids") == 0)) {
+ includeVisualId = 1;
+ } else {
+ Tcl_WrongNumArgs(interp, 2, objv, "window ?includeids?");
+ return TCL_ERROR;
+ }
+
+ if (TkGetWindowFromObj(interp, tkwin, objv[2], &tkwin) != TCL_OK) {
+ return TCL_ERROR;
+ }
+
+ template.screen = Tk_ScreenNumber(tkwin);
+ visInfoPtr = XGetVisualInfo(Tk_Display(tkwin), VisualScreenMask,
+ &template, &count);
+ if (visInfoPtr == NULL) {
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(
+ "can't find any visuals for screen", -1));
+ Tcl_SetErrorCode(interp, "TK", "VISUAL", "NONE", NULL);
+ return TCL_ERROR;
+ }
+ resultPtr = Tcl_NewObj();
+ for (i = 0; i < count; i++) {
+ string = TkFindStateString(visualMap, visInfoPtr[i].class);
+ if (string == NULL) {
+ strcpy(buf, "unknown");
+ } else {
+ sprintf(buf, "%s %d", string, visInfoPtr[i].depth);
+ }
+ if (includeVisualId) {
+ sprintf(visualIdString, " 0x%x",
+ (unsigned) visInfoPtr[i].visualid);
+ strcat(buf, visualIdString);
+ }
+ strPtr = Tcl_NewStringObj(buf, -1);
+ Tcl_ListObjAppendElement(NULL, resultPtr, strPtr);
+ }
+ Tcl_SetObjResult(interp, resultPtr);
+ XFree((char *) visInfoPtr);
+ break;
+ }
+ }
+ return TCL_OK;
+}
+
+#if 0
+/*
+ *----------------------------------------------------------------------
+ *
+ * Tk_WmObjCmd --
+ *
+ * This function is invoked to process the "wm" Tcl command. See the user
+ * documentation for details on what it does.
+ *
+ * Results:
+ * A standard Tcl result.
+ *
+ * Side effects:
+ * See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+ /* ARGSUSED */
+int
+Tk_WmObjCmd(
+ ClientData clientData, /* Main window associated with interpreter. */
+ Tcl_Interp *interp, /* Current interpreter. */
+ int objc, /* Number of arguments. */
+ Tcl_Obj *const objv[]) /* Argument objects. */
+{
+ Tk_Window tkwin;
+ TkWindow *winPtr;
+
+ static const char *const optionStrings[] = {
+ "aspect", "client", "command", "deiconify",
+ "focusmodel", "frame", "geometry", "grid",
+ "group", "iconbitmap", "iconify", "iconmask",
+ "iconname", "iconposition", "iconwindow", "maxsize",
+ "minsize", "overrideredirect", "positionfrom", "protocol",
+ "resizable", "sizefrom", "state", "title",
+ "tracing", "transient", "withdraw", NULL
+ };
+ enum options {
+ TKWM_ASPECT, TKWM_CLIENT, TKWM_COMMAND, TKWM_DEICONIFY,
+ TKWM_FOCUSMOD, TKWM_FRAME, TKWM_GEOMETRY, TKWM_GRID,
+ TKWM_GROUP, TKWM_ICONBMP, TKWM_ICONIFY, TKWM_ICONMASK,
+ TKWM_ICONNAME, TKWM_ICONPOS, TKWM_ICONWIN, TKWM_MAXSIZE,
+ TKWM_MINSIZE, TKWM_OVERRIDE, TKWM_POSFROM, TKWM_PROTOCOL,
+ TKWM_RESIZABLE, TKWM_SIZEFROM, TKWM_STATE, TKWM_TITLE,
+ TKWM_TRACING, TKWM_TRANSIENT, TKWM_WITHDRAW
+ };
+
+ tkwin = (Tk_Window) clientData;
+
+ if (objc < 2) {
+ Tcl_WrongNumArgs(interp, 1, objv, "option window ?arg?");
+ return TCL_ERROR;
+ }
+ if (Tcl_GetIndexFromObj(interp, objv[1], optionStrings, "option", 0,
+ &index) != TCL_OK) {
+ return TCL_ERROR;
+ }
+
+ if (index == TKWM_TRACING) {
+ int wmTracing;
+ TkDisplay *dispPtr = ((TkWindow *) tkwin)->dispPtr;
+
+ if ((objc != 2) && (objc != 3)) {
+ Tcl_WrongNumArgs(interp, 1, objv, "tracing ?boolean?");
+ return TCL_ERROR;
+ }
+ if (objc == 2) {
+ Tcl_SetObjResult(interp, Tcl_NewBooleanObj(
+ dispPtr->flags & TK_DISPLAY_WM_TRACING));
+ return TCL_OK;
+ }
+ if (Tcl_GetBooleanFromObj(interp, objv[2], &wmTracing) != TCL_OK) {
+ return TCL_ERROR;
+ }
+ if (wmTracing) {
+ dispPtr->flags |= TK_DISPLAY_WM_TRACING;
+ } else {
+ dispPtr->flags &= ~TK_DISPLAY_WM_TRACING;
+ }
+ return TCL_OK;
+ }
+
+ if (objc < 3) {
+ Tcl_WrongNumArgs(interp, 2, objv, "window ?arg?");
+ return TCL_ERROR;
+ }
+
+ winPtr = (TkWindow *) Tk_NameToWindow(interp,
+ Tcl_GetString(objv[2]), tkwin);
+ if (winPtr == NULL) {
+ return TCL_ERROR;
+ }
+ if (!(winPtr->flags & TK_TOP_LEVEL)) {
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "window \"%s\" isn't a top-level window", winPtr->pathName));
+ Tcl_SetErrorCode(interp, "TK", "LOOKUP", "TOPLEVEL", winPtr->pathName,
+ NULL);
+ return TCL_ERROR;
+ }
+
+ switch ((enum options) index) {
+ case TKWM_ASPECT:
+ TkpWmAspectCmd(interp, tkwin, winPtr, objc, objv);
+ break;
+ case TKWM_CLIENT:
+ TkpWmClientCmd(interp, tkwin, winPtr, objc, objv);
+ break;
+ case TKWM_COMMAND:
+ TkpWmCommandCmd(interp, tkwin, winPtr, objc, objv);
+ break;
+ case TKWM_DEICONIFY:
+ TkpWmDeiconifyCmd(interp, tkwin, winPtr, objc, objv);
+ break;
+ case TKWM_FOCUSMOD:
+ TkpWmFocusmodCmd(interp, tkwin, winPtr, objc, objv);
+ break;
+ case TKWM_FRAME:
+ TkpWmFrameCmd(interp, tkwin, winPtr, objc, objv);
+ break;
+ case TKWM_GEOMETRY:
+ TkpWmGeometryCmd(interp, tkwin, winPtr, objc, objv);
+ break;
+ case TKWM_GRID:
+ TkpWmGridCmd(interp, tkwin, winPtr, objc, objv);
+ break;
+ case TKWM_GROUP:
+ TkpWmGroupCmd(interp, tkwin, winPtr, objc, objv);
+ break;
+ case TKWM_ICONBMP:
+ TkpWmIconbitmapCmd(interp, tkwin, winPtr, objc, objv);
+ break;
+ case TKWM_ICONIFY:
+ TkpWmIconifyCmd(interp, tkwin, winPtr, objc, objv);
+ break;
+ case TKWM_ICONMASK:
+ TkpWmIconmaskCmd(interp, tkwin, winPtr, objc, objv);
+ break;
+ case TKWM_ICONNAME:
+ /*
+ * Slight Unix variation.
+ */
+ TkpWmIconnameCmd(interp, tkwin, winPtr, objc, objv);
+ break;
+ case TKWM_ICONPOS:
+ /*
+ * nearly same - 1 line more on Unix.
+ */
+ TkpWmIconpositionCmd(interp, tkwin, winPtr, objc, objv);
+ break;
+ case TKWM_ICONWIN:
+ TkpWmIconwindowCmd(interp, tkwin, winPtr, objc, objv);
+ break;
+ case TKWM_MAXSIZE:
+ /*
+ * Nearly same, win diffs.
+ */
+ TkpWmMaxsizeCmd(interp, tkwin, winPtr, objc, objv);
+ break;
+ case TKWM_MINSIZE:
+ /*
+ * Nearly same, win diffs
+ */
+ TkpWmMinsizeCmd(interp, tkwin, winPtr, objc, objv);
+ break;
+ case TKWM_OVERRIDE:
+ /*
+ * Almost same.
+ */
+ TkpWmOverrideCmd(interp, tkwin, winPtr, objc, objv);
+ break;
+ case TKWM_POSFROM:
+ /*
+ * Equal across platforms
+ */
+ TkpWmPositionfromCmd(interp, tkwin, winPtr, objc, objv);
+ break;
+ case TKWM_PROTOCOL:
+ /*
+ * Equal across platforms
+ */
+ TkpWmProtocolCmd(interp, tkwin, winPtr, objc, objv);
+ break;
+ case TKWM_RESIZABLE:
+ /*
+ * Almost same
+ */
+ TkpWmResizableCmd(interp, tkwin, winPtr, objc, objv);
+ break;
+ case TKWM_SIZEFROM:
+ /*
+ * Equal across platforms
+ */
+ TkpWmSizefromCmd(interp, tkwin, winPtr, objc, objv);
+ break;
+ case TKWM_STATE:
+ TkpWmStateCmd(interp, tkwin, winPtr, objc, objv);
+ break;
+ case TKWM_TITLE:
+ TkpWmTitleCmd(interp, tkwin, winPtr, objc, objv);
+ break;
+ case TKWM_TRANSIENT:
+ TkpWmTransientCmd(interp, tkwin, winPtr, objc, objv);
+ break;
+ case TKWM_WITHDRAW:
+ TkpWmWithdrawCmd(interp, tkwin, winPtr, objc, objv);
+ break;
+ }
+
+ updateGeom:
+ if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) {
+ Tcl_DoWhenIdle(UpdateGeometryInfo, winPtr);
+ wmPtr->flags |= WM_UPDATE_PENDING;
+ }
+ return TCL_OK;
+}
+#endif
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkGetDisplayOf --
+ *
+ * Parses a "-displayof window" option for various commands. If present,
+ * the literal "-displayof" should be in objv[0] and the window name in
+ * objv[1].
+ *
+ * Results:
+ * The return value is 0 if the argument strings did not contain the
+ * "-displayof" option. The return value is 2 if the argument strings
+ * contained both the "-displayof" option and a valid window name.
+ * Otherwise, the return value is -1 if the window name was missing or
+ * did not specify a valid window.
+ *
+ * If the return value was 2, *tkwinPtr is filled with the token for the
+ * window specified on the command line. If the return value was -1, an
+ * error message is left in interp's result object.
+ *
+ * Side effects:
+ * None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int
+TkGetDisplayOf(
+ Tcl_Interp *interp, /* Interpreter for error reporting. */
+ int objc, /* Number of arguments. */
+ Tcl_Obj *const objv[], /* Argument objects. If it is present,
+ * "-displayof" should be in objv[0] and
+ * objv[1] the name of a window. */
+ Tk_Window *tkwinPtr) /* On input, contains main window of
+ * application associated with interp. On
+ * output, filled with window specified as
+ * option to "-displayof" argument, or
+ * unmodified if "-displayof" argument was not
+ * present. */
+{
+ const char *string;
+ int length;
+
+ if (objc < 1) {
+ return 0;
+ }
+ string = Tcl_GetStringFromObj(objv[0], &length);
+ if ((length >= 2) &&
+ (strncmp(string, "-displayof", (unsigned) length) == 0)) {
+ if (objc < 2) {
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(
+ "value for \"-displayof\" missing", -1));
+ Tcl_SetErrorCode(interp, "TK", "NO_VALUE", "DISPLAYOF", NULL);
+ return -1;
+ }
+ *tkwinPtr = Tk_NameToWindow(interp, Tcl_GetString(objv[1]), *tkwinPtr);
+ if (*tkwinPtr == NULL) {
+ return -1;
+ }
+ return 2;
+ }
+ return 0;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkDeadAppObjCmd --
+ *
+ * If an application has been deleted then all Tk commands will be
+ * re-bound to this function.
+ *
+ * Results:
+ * A standard Tcl error is reported to let the user know that the
+ * application is dead.
+ *
+ * Side effects:
+ * See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+ /* ARGSUSED */
+int
+TkDeadAppObjCmd(
+ ClientData clientData, /* Dummy. */
+ Tcl_Interp *interp, /* Current interpreter. */
+ int objc, /* Number of arguments. */
+ Tcl_Obj *const objv[]) /* Argument strings. */
+{
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "can't invoke \"%s\" command: application has been destroyed",
+ Tcl_GetString(objv[0])));
+ return TCL_ERROR;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * GetTopHierarchy --
+ *
+ * Retrieves the top-of-hierarchy window which is the nearest ancestor of
+ * the specified window.
+ *
+ * Results:
+ * Returns the top-of-hierarchy window, or NULL if the window has no
+ * ancestor which is at the top of a physical window hierarchy.
+ *
+ * Side effects:
+ * None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static TkWindow *
+GetTopHierarchy(
+ Tk_Window tkwin) /* Window for which the top-of-hierarchy
+ * ancestor should be deterined. */
+{
+ TkWindow *winPtr = (TkWindow *) tkwin;
+
+ while ((winPtr != NULL) && !(winPtr->flags & TK_TOP_HIERARCHY)) {
+ winPtr = winPtr->parentPtr;
+ }
+ return winPtr;
+}
+
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 4
+ * fill-column: 78
+ * End:
+ */